Question about Acer Aspire 6930-6771 Laptop

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The screen has lines on half of it and black across the top. can it be fixed?

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Yes, You can call their tech support hotline and check if is covered by their warranty so that they can replace the LCD free of cost.

Posted on Jul 27, 2010

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Posted on Jan 02, 2017

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So I have a 50 Lg ( LG 50LN5700). There is still a picture however about every 3 seconds it goes from regular to blurry and repeats. There seem to be about 3 black lines across the top horizontally about 3...


To clarify, are the 3 black lines horizontal (left to right across entire width of screen)? or are the 3 black lines vertical (top to bottom across entire height of screen)?

Horizontal lines are almost always the result of a failed panel, and no board replacement will fix the issue.

Vertical lines such as you have described (only 3) are probably also a bad panel. If the black lines were evenly spaced in a repeating pattern, it could be a mainboard or TCONN board.

Has this panel been cracked? or perhaps cleaned recently with too much water or cleaning solvent that has gotten the screen wet?

You may have to sell the TV for parts.

Oct 23, 2017 | LG Televison & Video

1 Answer

I have a Sony FD Trinitron 27' Model # KV-27FV310. It is approx 8 years old. After turning it on and watching a full screen for a few minutes; all of a sudden, a line came across half the screen;


top half missing is in vertical circuit of set---if it is a 27 inch and this old consider retiring it and replacing----other option is consider having a shop repair it--a rough guess would be as high as 150 dollars parts and labor is possible for your problems.

May 01, 2012 | Televison & Video

1 Answer

Have a block across the top fifth of the screen that is just dark black lines, and the rest of the top half has some kind of fuzzy interference. The bottom half of the picture is fine.


bad upper Y buffer board
you will need to replace this part to fix the issue.
it is usually called a y driver or y buffer
look on www.shopjimmy.com
or www.partsearch.com

Sep 09, 2010 | Samsung HP-T4264 42 in. Plasma HDTV

2 Answers

Screen got black lines across it


Across vertically or horizontally... It makes all the dif. It could be 3 boards on the set. The YSUS-main the YBU-upper/YBL-Lower. The Y buffer upper controls the top half of the screen, the Y buffer lower the lower half and the YSUS-main controls those 2 boards. They work in unison, when one goes they all fail. The other possibility is dry solder joints on the the D, G, E, F boards. All you would need to do with that is reheat the solder joints at the ribbon cable conx.

Best Regards and Semper Fi

Aug 06, 2010 | LG 42LC2D 42 in. LCD HDTV

1 Answer

TV TURNS ON,LINES ACROSS SCREEN THEN TURNS OFF BY ITSELF


sounds like a vertical problem, usually you'll see one white line across the screen, but one I worked on would come on and the bottom half of the picture was gone and there were lines across the top of the screen.

If you know how to solder & can find the vertical output chip then you could try resoldering the pins. If this doesn't fix it then it needs new parts.

Mar 08, 2010 | Sony FD Trinitron WEGA KV-36FS120 36" TV

1 Answer

Black line running horizontally across TV screen


A line on an LCD, either horizontal or vertical usually means the video driver board is defective or the screen is defective, does it show up as black even on a dark screen? That means a line of LCD "shutter"s is not working and there is a problem that cant be fixed by a reboot or channel change. Bummer.

Feb 17, 2008 | Televison & Video

1 Answer

Shrinking screen.


hi there, you do have a vertical section problem and at the power supply section problem. do some test, check for some cold solder at the power supply section, test some electrolytic capacitor at the vertical section. ty

Jan 01, 2008 | Televison & Video

1 Answer

Red line across top half of screen


Inverter board is bad or video cable loose either behind LCD panel or near video adapter.

Dec 02, 2007 | Gateway MX6438 Notebook

4 Answers

Red line across top half of screen


My maxent 42" has green and red flashing pixels all across the screen, what is the problem?
Thanks

Aug 30, 2007 | Maxent MX-50X3 50 in. HD-Ready Plasma...

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